Projector teaching aid
Technical Field
The utility model relates to the technical field of projectors, in particular to a projector teaching aid.
Background
In occasions such as multimedia teaching training, projector projection equipment is commonly used, and an existing projector is suspended or supported and fixed in a supporting mode by adopting a projector support so as to adjust the height of the projector and adjust the projection angle. The suspended projector is generally only suitable for fixed occasions, and the mode of supporting by adopting the projector bracket is more flexible to use due to convenient movement and carrying. However, the overall design of the projection apparatus of the existing support method is inconvenient for accommodating the projection apparatus.
Disclosure of utility model
The utility model aims at solving the problems and provides a projector teaching aid which can be stored in a storage barrel after being overturned when the projector body is not used, and is convenient to carry.
In order to achieve the purpose, the projector teaching aid comprises a barrel seat, wherein a telescopic barrel and a storage barrel are arranged on the barrel seat, the telescopic barrel comprises an outer barrel body and a telescopic sleeve, a first fixing plate is arranged at the top of the telescopic sleeve, a second fixing plate is hinged to the top of the first fixing plate through a hinge, the second fixing plate can be turned upwards relative to the first fixing plate, a gun-barrel-shaped projector body is arranged at the bottom of the second fixing plate, the projector body corresponds to the storage barrel, a connecting rod is hinged to the top surface of the second fixing plate, a fixing rod is hinged to the end portion of the connecting rod, a pitching adjusting mechanism which can be detachably connected with the fixing rod is arranged at the top of the first fixing plate, when the fixing rod is connected with the pitching adjusting mechanism, the projector body can be turned upwards, and can be accommodated in the storage barrel along with shrinkage of the telescopic sleeve when the fixing rod is separated from the pitching adjusting mechanism.
Further, every single move adjustment mechanism includes the fixing base and adjusts the pole, the fixing base is fixed in on the first fixed plate, extend towards the projecting apparatus body direction on the fixing base and be provided with the mounting groove, adjust the pole slide set up in the mounting groove, adjust pole be close to projecting apparatus body one end be equipped with the draw-in groove of dead lever cooperation joint, the other end of adjusting the pole is equipped with T shape handle, the outside of draw-in groove is equipped with first fastening bolt, the mounting groove top is equipped with the stationary blade, the top of stationary blade is equipped with and is used for fastening the second fastening bolt of adjusting the pole.
Further, a telescopic control mechanism for controlling the telescopic sleeve to stretch out and retract is arranged in the outer cylinder body, the telescopic control mechanism comprises a screw rod, a screw rod sleeve and a motor, the screw rod is rotationally connected in the outer cylinder body, the motor is in transmission connection with the lower end of the screw rod, the telescopic sleeve is of a hollow structure, the screw rod sleeve is sleeved outside the screw rod and in threaded connection with the screw rod, the screw rod sleeve is fixedly connected with the lower end of the telescopic sleeve, and the screw rod sleeve is axially and slidably connected in the outer cylinder body.
Further, a control button is arranged outside the cylinder seat.
Further, a handle groove is formed outside the cylinder seat, and a handle is connected in the handle groove in a rotating mode.
Further, the storage barrel is separated into a lower chamber through a partition plate, and a chamber door is arranged on the lower chamber.
By adopting the technical scheme, the utility model has the following beneficial effects:
The utility model can adjust the using height of the projector body through the extension of the extension cylinder and the storage cylinder, when the projector body is in an upward overturning state when being connected with the pitching adjusting mechanism, the pitching angle can be adjusted by the pitching adjusting mechanism, when not in use, the projector body is in a downward overturning state when being separated from the pitching adjusting mechanism, and the projector body is stored in the storage cylinder through the contraction of the extension sleeve, thereby having good protection effect and being convenient to carry.
Drawings
FIG. 1 is a schematic view of a projector teaching aid according to the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 in accordance with the present utility model;
FIG. 3 is a schematic view of a projector teaching aid according to another embodiment of the present utility model;
FIG. 4 is a schematic view of a projector body in use state according to the present utility model;
FIG. 5 is a longitudinal cross-sectional view of the cartridge of the present utility model;
In the figure, the three-dimensional projector comprises a 1-cylinder seat, a 2-telescopic cylinder, a 3-storage cylinder, a 21-outer cylinder, a 22-telescopic sleeve, a 4-projector body, a 5-first fixing plate, a 6-second fixing plate, a 7-hinge, an 8-connecting rod, a 9-fixing rod, a 10-pitching adjusting mechanism, a 101-fixing seat, a 103-adjusting rod, a 102-mounting groove, a 104-clamping groove, a 105-first fastening bolt, a 106-second fastening bolt, a 107-T-shaped handle, a 11-handle, a 12-control button, a 13-cavity door, a 14-partition plate, a 15-lower cavity, a 16-telescopic control mechanism, a 161-screw rod, a 162-screw sleeve and a 163-motor.
Detailed Description
In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present utility model with reference to the accompanying drawings. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The terms first, second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
As shown in fig. 1, the projector teaching aid comprises a barrel seat 1, wherein a telescopic barrel 2 and a storage barrel 3 are arranged on the barrel seat 1, the telescopic barrel 2 comprises an outer barrel 21 and a telescopic sleeve 22, a first fixing plate 5 is arranged at the top of the telescopic sleeve 22, a second fixing plate 6 is hinged to the top of the first fixing plate 5 through a hinge 7, the second fixing plate 6 can be turned upwards relative to the first fixing plate 5, a gun-shaped projector body 4 is arranged at the bottom of the second fixing plate 6, the projector body 4 corresponds to the storage barrel 3, a connecting rod 8 is hinged to the top surface of the second fixing plate 6, a fixing rod 9 is hinged to the end part of the connecting rod 8, a pitching adjusting mechanism 10 which can be detachably connected with the fixing rod 9 is arranged at the top of the first fixing plate 5, when the fixing rod 9 is connected with the pitching adjusting mechanism 10, the projector body 4 can be turned upwards, and when the fixing rod 9 is separated from the pitching adjusting mechanism 10, the projector body 4 can be turned downwards and can be contained in the storage barrel 3 along with shrinkage of the telescopic sleeve 22.
As shown in fig. 2, the pitching adjusting mechanism 10 includes a fixing base 101 and an adjusting rod 103, the fixing base 101 is fixed on the first fixing plate 5, a mounting groove 102 is provided on the fixing base 101 extending toward the direction of the projector body 4, the adjusting rod 103 is slidably disposed in the mounting groove 102, one end of the adjusting rod 103, which is close to the projector body 4, is provided with a clamping groove 104 which is engaged with the fixing rod 9 in a matching manner, the other end of the adjusting rod 103 is provided with a T-shaped handle 107, a first fastening bolt 105 is provided on the outer side of the clamping groove 104, a fixing piece is provided on the top of the mounting groove 102, and a second fastening bolt 106 for fastening the adjusting rod 103 is provided on the top of the fixing piece. During adjustment, after the adjusting rod 103 moves to a required position in the mounting groove 102, the second bolt is used for fastening, and the connecting rod 8 is driven to rotate during the movement process of the adjusting rod 103, so that the pitching angle of the projector body 4 is adjusted.
As shown in fig. 5, a telescopic control mechanism 16 for controlling the telescopic sleeve 22 to stretch and retract is arranged in the outer cylinder 21, the telescopic control mechanism 16 comprises a screw rod 161, a screw rod sleeve 162 and a motor 163, the screw rod 161 is rotatably connected in the outer cylinder 21, the motor 163 is in transmission connection with the lower end of the screw rod 161, the telescopic sleeve 22 is of a hollow structure, the screw rod sleeve 162 is sleeved outside the screw rod 161 and in threaded connection with the screw rod 161, the screw rod sleeve 162 is fixedly connected with the lower end of the telescopic sleeve 22, the screw rod sleeve 162 is axially and slidably connected in the outer cylinder 21, specifically, a sliding rail is arranged on the inner wall of the outer cylinder 21, and the outer wall of the screw rod sleeve 162 is arranged at a sliding part in sliding connection with the sliding rail. When in use, the motor 163 drives the screw rod 161 to rotate forward, and the screw rod sleeve 162 is driven to slide upwards in the outer cylinder 21, so that the telescopic sleeve 22 extends out. Conversely, the motor 163 drives the screw rod 161 to rotate reversely, and drives the screw rod sleeve 162 to slide downwards in the outer cylinder 21, so that the telescopic sleeve 22 is contracted in the outer cylinder 21.
As shown in fig. 3, the cartridge holder 1 is externally provided with a control button 12. The outside of the cylinder seat 1 is provided with a handle groove, the handle groove is rotationally connected with a handle 11, and the handle 11 is convenient for an operator to carry.
As shown in fig. 5, the housing tube 3 is partitioned into a lower chamber 15 by a partition plate 14, and a chamber door 13 is provided in the lower chamber 15. The lower chamber 15 is openable by means of the door 13, the lower chamber 15 being convenient for placing other articles.
When in use, the motor 163 drives the screw rod 161 to rotate forward, so that the telescopic sleeve 22 stretches out, the projector body 4 stretches out of the storage barrel 3, and then the fixing rod 9 on the second fixing plate 6 is clamped into the clamping groove 104 on the adjusting rod 103 by turning the projector body 4 upwards, and the fixing rod 9 is fixed by the first fastening bolt 105. When the pitching angle needs to be adjusted, the first fastening bolt 105 is loosened, the adjusting rod 103 is pulled to move in the mounting groove 102, and the connecting rod 8 can be pulled to rotate through the fixing rod 9, so that the pitching angle of the projector body 4 is adjusted. When not in use, the fixing rod 9 is separated from the clamping groove 104, the projector body 4 is turned to a downward state, and the projector body 4 is contracted in the storage barrel 3 along with the contraction of the telescopic sleeve 22, so that the protection function is good, and the portable projector is convenient to carry.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.